/*      $NetBSD: bootinfo.h,v 1.5 2012/01/21 19:44:30 nonaka Exp $      */

/*-
* Copyright (C) 2009 NONAKA Kimihiro <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _ZAURUS_BOOTINFO_H_
#define _ZAURUS_BOOTINFO_H_

#define BOOTARGS_BUFSIZ 256
#define BOOTARGS_MAGIC  0x4f425344

#define BOOTINFO_MAXSIZE (BOOTARGS_BUFSIZ - sizeof(uint32_t)) /* uint32_t for magic */

#define BTINFO_BOOTDISK         0
#define BTINFO_HOWTO            1
#define BTINFO_CONSDEV          2
#define BTINFO_ROOTDEVICE       3
#define BTINFO_MAX              4

#ifndef _LOCORE

struct btinfo_common {
       int len;
       int type;
};

struct btinfo_bootdisk {
       struct btinfo_common common;
       int labelsector; /* label valid if != -1 */
       struct {
               uint16_t type, checksum;
               char packname[16];
       } label;
       int biosdev;
       int partition;
};

struct btinfo_howto {
       struct btinfo_common common;
       u_int howto;
};

struct btinfo_console {
       struct btinfo_common common;
       char devname[16];
       int addr;
       int speed;
};

struct btinfo_rootdevice {
       struct btinfo_common common;
       char devname[16];
};

struct bootinfo {
       int nentries;
       char info[BOOTINFO_MAXSIZE - sizeof(int)];
};

#endif /* _LOCORE */

#ifdef _KERNEL
void *lookup_bootinfo(int type);
#endif

#endif  /* _ZAURUS_BOOTINFO_H_ */